<template>
  <div class="module-box link-select">
    <div class="module-box__title">
      <label class="module-box__label">{{title}}</label>
    </div>
    <el-select class="link-select__select" :popper-append-to-body="false" v-model="selsectValue" placeholder="请选择跳转到的页面" @change="selectChanged">
      <el-option
        v-for="item in options"
        :key="item.value"
        :label="item.label"
        :value="item.value">
      </el-option>
    </el-select>
    <div class="link-select__confirm" v-show="confirmBtnVisible">
      <div class="btn" v-if="!selectName" @click="openDialog">
        <span class="iconfont">&#xe685;</span> 添加{{typeText}}
      </div>
      <div class="info" v-else>
        <span class="text">{{typeText}}</span>
        <span class="name">{{selectName}}</span>
        <span class="iconfont" @click="openDialog">&#xe66c;</span>
        <span class="iconfont" @click="delSelect">&#xe651;</span>
      </div>
    </div>
    <el-dialog width="600px" title="选择类别" :visible.sync="categoryVisible">
      <category-select ref="categorySelect"></category-select>
      <span slot="footer" class="dialog-footer">
         <el-button @click="categoryVisible = false">取 消</el-button>
         <el-button type="primary" @click="categoryChanged">确 定</el-button>
      </span>
    </el-dialog>
    <el-dialog title="选择商品" :visible.sync="productVisible">
      <product-select ref="productSelect"></product-select>
      <span slot="footer" class="dialog-footer">
         <el-button @click="productVisible = false">取 消</el-button>
         <el-button type="primary" @click="productChanged">确 定</el-button>
      </span>
    </el-dialog>
    <el-dialog title="选择店辅" :visible.sync="shopVisible">
      <shop-select ref="shopSelect"></shop-select>
      <span slot="footer" class="dialog-footer">
        <el-button @click="shopVisible = false">取 消</el-button>
        <el-button type="primary" @click="shopChanged">确 定</el-button>
      </span>
    </el-dialog>
    <el-dialog title="选择自定义页面" :visible.sync="customVisible">
     <custom-page-select ref="customPageSelect"></custom-page-select>
      <span slot="footer" class="dialog-footer">
        <el-button @click="customVisible = false">取 消</el-button>
        <el-button type="primary" @click="customChanged">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
  import ProductSelect from './product-select'
  import ShopSelect from './shop-select'
  import CategorySelect from './category-select'
  import CustomPageSelect from './custom-page-select'
  export default {
    name: 'tool-select-link',
    components: { CustomPageSelect, CategorySelect, ShopSelect, ProductSelect },
    data () {
      return {
        selsectValue: '',
        confirmBtnVisible: false,
        selectName: '',
        typeText: '',
        productVisible: false,
        shopVisible: false,
        categoryVisible: false,
        customVisible: false
      }
    },
    props: {
      title: {
        type: String,
        default: '链接'
      },
      linkObj: {
        type: Object,
        default: () => ({
          selsectValue: '',
          selectName: '',
          typeText: '',
          url: ''
        })
      },
      options: {
        type: Array,
        default: () => [
          {
            value: '/index',
            label: '首页'
          },
          {
            value: '/category',
            label: '分类页面'
          },
          {
            value: '/shop',
            label: '店辅主页'
          },
          {
            value: '/detail',
            label: '商品详情'
          },
          // {
          //   value: '/custom',
          //   label: '自定义页面'
          // }
        ]
      }
    },
    mounted () {
      this.selsectValue = this.linkObj.selsectValue
      this.selectName = this.linkObj.selectName
      this.typeText = this.linkObj.typeText
      this.confirmBtnVisible = this.selsectValue !== '/index' && this.selsectValue
    },
    methods: {
      // 链接选择
      selectChanged (value) {
        this.categoryVisible = false
        this.shopVisible = false
        this.productVisible = false
        this.confirmBtnVisible = true
        this.selectName = ''
        this.typeText = ''
        switch (value) {
          case '/category':
            this.typeText = '类别'
            break
          case '/shop':
            this.typeText = '店辅'
            break
          case '/detail':
            this.typeText = '商品'
            break
          case '/custom':
            this.typeText = '自定义'
            break
          default:
            this.confirmBtnVisible = false
            let linkObj = {
              selsectValue: this.selsectValue,
              selectName: '',
              typeText: '',
              url: '/'
            }
            this.$emit('update:linkObj', linkObj)
        }
      },
      // 打开添加弹窗
      openDialog () {
        switch (this.typeText) {
          case '类别':
            this.categoryVisible = true
            break
          case '店辅':
            this.shopVisible = true
            break
          case '商品':
            this.productVisible = true
            break
          case '自定义':
            this.customVisible = true
            break
        }
      },
      // 类别选择
      categoryChanged () {
        let nodesObj = this.$refs.categorySelect.$refs['cascader'].getCheckedNodes()
        if (nodesObj) {
          var data = nodesObj[0].data
          this.selectName = nodesObj[0].label
          this.categoryVisible = false
          let linkObj = {
            selsectValue: this.selsectValue,
            selectName: this.selectName,
            typeText: this.typeText,
            data: data
          }
          this.$emit('update:linkObj', linkObj)
        }
      },
      // 商品选择
      productChanged () {
        console.log(this.$refs.productSelect)
        var data = this.$refs.productSelect.tableRadio
        this.productVisible = false
        this.selectName = this.$refs.productSelect.tableRadio.productName
        let linkObj = {
          selsectValue: this.selsectValue,
          selectName: this.selectName,
          typeText: this.typeText,
          data: data
        }
        this.$emit('update:linkObj', linkObj)
      },
      // 店辅选择
      shopChanged () {
        var data = this.$refs.shopSelect.tableRadio
        this.shopVisible = false
        this.selectName = this.$refs.shopSelect.tableRadio.shopName
        let linkObj = {
          selsectValue: this.selsectValue,
          selectName: this.selectName,
          typeText: this.typeText,
          data: data
        }
        this.$emit('update:linkObj', linkObj)
      },
      // 自定义页面选择
      customChanged () {
        var data = this.$refs.customPageSelect.tableRadio
        this.customVisible = false
        this.selectName = this.$refs.customPageSelect.tableRadio.name
        let linkObj = {
          selsectValue: this.selsectValue,
          selectName: this.selectName,
          typeText: this.typeText,
          data: data
        }
        this.$emit('update:linkObj', linkObj)
      },
      // 删除选择
      delSelect () {
        let linkObj = {
          selsectValue: '',
          selectName: '',
          typeText: '',
          data: {}
        }
        this.$emit('update:linkObj', linkObj)
      }
    },
    watch: {
      linkObj: {
        handler (newVal, oldVal) {
          this.selsectValue = newVal.selsectValue
          this.selectName = newVal.selectName
          this.typeText = newVal.typeText
          this.confirmBtnVisible = this.selsectValue !== '/index' && this.selsectValue
        },
        deep: true
      }
    }
  }
</script>

<style lang="scss" scoped>
  .link-select{
    &__select{
     width: 100%;
    }
    &__confirm{
      margin-top: 10px;
      .btn{
        text-align: center;
        background-color: $mainColor;
        color: #fff;
        height: 36px;
        line-height: 36px;
        border-radius: 4px;
        cursor: pointer;
      }
      .info{
        height: 36px;
        line-height: 36px;
        border-radius: 4px;
        padding: 0 10px;
        border:1px solid $mainColor;
        display: flex;
        .text{
          color: $mainColor;
        }
        .name{
          flex: 1;
          margin-left: 10px;
          overflow: hidden;
          text-overflow:ellipsis;
          white-space: nowrap;
        }
        .iconfont{
          margin-left: 10px;
          cursor: pointer;
          color: #666;
        }
      }
    }
  }
</style>
